Analysis of interatomic Contacts of Structural Units in PDB entry:
4S2M


Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
For CSU analysis of other PDB entry

This page provides analyses of contacts formed by:
For analysis of ligand-protein contacts, use: 3D structure can be seen in additional window with STING software for 4S2M entry

There are 4 chains in PDB entry 4S2M (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TRP 25PRO 265
B
 TRP 25PRO 265
C
 TRP 25PRO 265
D
 TRP 25PRO 265
Residue contacts

1. List of contacts for up to 10 consecutive residues:
Chain ID from residue number to residue number


2. Detailed analyses of contacts for any single residue:
Residue number chain ID
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There are 41 helices in PDB entry 4S2M. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
31 37Right-handed alpha
Helix 2
2
A
60 63Right-handed 310
Helix 3
3
A
68 71Right-handed 310
Helix 4
4
A
72 83Right-handed alpha
Helix 5
5
A
102 106Right-handed 310
Helix 6
6
A
110 117Right-handed alpha
Helix 7
7
A
119 143Right-handed alpha
Helix 8
8
A
166 178Right-handed alpha
Helix 9
9
A
184 195Right-handed alpha
Helix 10
10
A
249 261Right-handed alpha
Helix 11
11
B
31 37Right-handed alpha
Helix 12
12
B
60 63Right-handed 310
Helix 13
13
B
68 71Right-handed 310
Helix 14
14
B
72 83Right-handed alpha
Helix 15
15
B
102 106Right-handed 310
Helix 16
16
B
110 117Right-handed alpha
Helix 17
17
B
119 143Right-handed alpha
Helix 18
18
B
155 160Right-handed alpha
Helix 19
19
B
166 178Right-handed alpha
Helix 20
20
B
184 195Right-handed alpha
Helix 21
21
B
249 261Right-handed alpha
Helix 22
22
C
31 37Right-handed alpha
Helix 23
23
C
60 63Right-handed 310
Helix 24
24
C
68 71Right-handed 310
Helix 25
25
C
72 83Right-handed alpha
Helix 26
26
C
102 106Right-handed 310
Helix 27
27
C
110 117Right-handed alpha
Helix 28
28
C
119 143Right-handed alpha
Helix 29
29
C
166 178Right-handed alpha
Helix 30
30
C
184 195Right-handed alpha
Helix 31
31
C
249 261Right-handed alpha
Helix 32
32
D
31 37Right-handed alpha
Helix 33
33
D
60 63Right-handed 310
Helix 34
34
D
68 71Right-handed 310
Helix 35
35
D
72 83Right-handed alpha
Helix 36
36
D
102 106Right-handed 310
Helix 37
37
D
110 117Right-handed alpha
Helix 38
38
D
119 143Right-handed alpha
Helix 39
39
D
166 178Right-handed alpha
Helix 40
40
D
184 195Right-handed alpha
Helix 41
41
D
249 261Right-handed alpha
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There are 8 sheets in PDB entry 4S2M. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 7 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
26 27first strand
Strand 2
A
53 56parallel
Strand 3
A
42 48anti-parallel
Strand 4
A
232 240anti-parallel
Strand 5
A
219 227anti-parallel
Strand 6
A
204 207anti-parallel
Strand 7
A
196 199anti-parallel
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There are 2 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
65 66first strand
Strand 2
A
164 165anti-parallel
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There are 7 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
26 27first strand
Strand 2
B
53 56parallel
Strand 3
B
42 48anti-parallel
Strand 4
B
232 240anti-parallel
Strand 5
B
219 227anti-parallel
Strand 6
B
204 207anti-parallel
Strand 7
B
196 199anti-parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
65 66first strand
Strand 2
B
164 165anti-parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
26 27first strand
Strand 2
C
53 56parallel
Strand 3
C
42 48anti-parallel
Strand 4
C
232 240anti-parallel
Strand 5
C
219 227anti-parallel
Strand 6
C
204 207anti-parallel
Strand 7
C
196 199anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
65 66first strand
Strand 2
C
164 165anti-parallel
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There are 7 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
26 27first strand
Strand 2
D
53 56parallel
Strand 3
D
42 48anti-parallel
Strand 4
D
232 240anti-parallel
Strand 5
D
219 227anti-parallel
Strand 6
D
204 207anti-parallel
Strand 7
D
196 199anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
65 66first strand
Strand 2
D
164 165anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il